package day02;

public class DataTypeDemo {
    public static void main(String[] args) {
        /*
        System.out.println("BLACPINK");
         */
        /*
        long a= 15634847L;
        long e = 1000000000*2*10L;
        System.out.println(e);
        long r = 1000000000*3*10L;
        System.out.println(r);
        long t = 1000000000L*3*10;
        System.out.println(t);
         */


/*
        double q = 1.99,w = 1.89;
        System.out.println(q-w);

        double e =0.89, r= 0.21;
        System.out.println(e+r);
        System.out.println(e-r);
        double t = 9.99, f = 10.0;
        System.out.println(t+f);
        System.out.println(f-t);
 */

    //    boolean a = true;
   //     boolean b = false;

 char  q = '对';
        System.out.println(q);
char  w  = '不';
        System.out.println(w);
char e  =  '起';
        System.out.println(e);
char a ='我';
        System.out.println(a);
char b = '喜';
        System.out.println(b);
char c = '欢';
        System.out.println(c);
char d = '你';
        System.out.println(d);
        char p ='\'';
        System.out.println(p);//"\ "这个反斜杠是转义的 用于特殊符号，
        char j = 54321;
        System.out.println(j);


    }
}
